Gemini 3.1 Pro – Model Card — Google DeepMind Skip to main content Published 19 February 2026 Gemini 3.1 Pro View PDF version Model Cards are intended to provide essential information on Gemini models, including known limitations, mitigation approaches, and safety performance. Model cards may be updated from time-to-time; for example, to include updated evaluations as the model is improved or revised. Published: February 2026 Model Information Model Data Implementation and Sustainability Distribution Evaluation Intended Usage and Limitations Ethics and Content Safety Frontier Safety Model Information Description Gemini 3.1 Pro is the next iteration in the Gemini 3 series of models, a suite of highly capable, natively multimodal reasoning models. As of this model card’s date of publication, Gemini 3.1 Pro is Google’s most advanced model for complex tasks. Geminin 3.1 Pro can comprehend vast datasets and challenging problems from massively multimodal information sources, including text, audio, images, video, and entire code repositories. Model dependencies Gemini 3.1 Pro is based on Gemini 3 Pro. Inputs Text strings (e.g., a question, a prompt, document(s) to be summarized), images, audio, and video files, with a token context window of up to 1M. Outputs Text, with a 64K token output. Architecture Gemini 3.1 Pro is based on Gemini 3 Pro. For more information about the model architecture for Gemini 3.1 Pro, see the Gemini 3 Pro model card . Model Data Training Dataset Gemini 3.1 Pro is based on Gemini 3 Pro. For more information about the training dataset for Gemini 3.1 Pro, see the Gemini 3 Pro model card . Training Data Processing For more information about the training data processing for Gemini 3.1 Pro, see the Gemini 3 Pro model card . Implementation and Sustainability Hardware Gemini 3.1 Pro is based on Gemini 3 Pro. For more information about the hardware for Gemini 3.1 Pro and our continued commitment to operate sustainably , see the Gemini 3 Pro model card . Software Gemini 3.1 Pro is based on Gemini 3 Pro. For more information about the software for Gemini 3.1 Pro, see the Gemini 3 Pro model card . Distribution Gemini 3.1 Pro is distributed in the following channels; respective documentation shared in line: Gemini App Google Cloud / Vertex AI Google AI Studio Gemini API Google Antigravity NotebookLM Our models are available to downstream providers via an application program interface (API) and subject to relevant terms of use. There is no required hardware or software to use the model. For AI Studio and Gemini API, see the Gemini API Additional Terms of Service ; for Vertex AI, see Google Cloud Platform Terms of Service . For more information, see Gemini Model API instructions and Gemini API in Vertex AI quickstart . Evaluation Approach Gemini 3.1 Pro was evaluated across a range of benchmarks, including reasoning, multimodal capabilities, agentic tool use, multi-lingual performance, and long-context. Additional benchmarks and details on a

Source: Hacker News | Original Link